70662587 has 2 divisors, whose sum is σ = 70662588. Its totient is φ = 70662586.

The previous prime is 70662499. The next prime is 70662607. The reversal of 70662587 is 78526607.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 70662587 - 2¹⁸ = 70400443 is a prime.

It is not a weakly prime, because it can be changed into another prime (70665587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35331293 + 35331294.

It is an arithmetic number, because the mean of its divisors is an integer number (35331294).

Almost surely, 2^70662587 is an apocalyptic number.

70662587 is a deficient number, since it is larger than the sum of its proper divisors (1).

70662587 is an equidigital number, since it uses as much as digits as its factorization.

70662587 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 141120, while the sum is 41.

The square root of 70662587 is about 8406.1041511511. The cubic root of 70662587 is about 413.4247867500.

The spelling of 70662587 in words is "seventy million, six hundred sixty-two thousand, five hundred eighty-seven".